DE244896C - - Google Patents
Info
- Publication number
- DE244896C DE244896C DENDAT244896D DE244896DA DE244896C DE 244896 C DE244896 C DE 244896C DE NDAT244896 D DENDAT244896 D DE NDAT244896D DE 244896D A DE244896D A DE 244896DA DE 244896 C DE244896 C DE 244896C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- torsion
- spark
- point
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium(0) Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die Erfindung betrifft einen elektrischen Torsionsindikator, bei dem wie bei dem Amslerschen Instrumente an einer passenden Stelle der Welle bei jeder Umdrehung ein geschlossener Stromkreis unterbrochen und dadurch in einem zweiten durch eine Funkenstrecke unterbrochenen Stromkreis ein Strom induziert wird. Das Neue besteht darin, daß an einer beliebigen anderen Stelle der Welle ein StiftThe invention relates to an electrical torsion indicator in which, as in the Amsler's Instruments at a suitable point on the shaft with each rotation one closed Circuit interrupted and thereby induces a current in a second circuit interrupted by a spark gap will. The novelty is that at any other point on the shaft a pin
ίο angebracht ist, der das eine Ende dieser Funkenstrecke bildet, während das andere Ende dieser Funkenstrecke durch einen Gradbogen gebildet wird, an dem dieser Stift dicht vorübergeht. ίο is attached to one end of this spark gap while the other end of this spark gap is formed by an arc of degree is formed where this pin passes close by.
In der Zeichnung stellt α die Welle dar, deren Torsion gemessen werden soll, b und c sind die Schließungs- und Unterbrechungskontaktstellen, d der Schleifkontakt der Primärspule, β der Gradbogen, f der Funkenstift, g der Schleifkontakt der Sekundärspule.In the drawing, α represents the shaft whose torsion is to be measured, b and c are the make and break contact points, d the sliding contact of the primary coil, β the arc, f the spark pin, g the sliding contact of the secondary coil.
Bei unbeanspruchter Welle springt bei jeder Umdrehung ein Funken an ein und derselben Stelle des Gradbogens, dem Nullpunkt, über, während bei beanspruchter und dadurch tordierter Welle der Funke je nach der Belastung mehr oder weniger zurückbleibt und auf diese Weise in jedem Augenblick den Torsionswinkel anzeigt.If the shaft is not stressed, a spark jumps at the same one with every revolution Place the degree arc, the zero point, above, while with stressed and thus more twisted Wave of the spark depending on the load more or less remains and on this Way shows the torsion angle at every moment.
An Stelle eines überspringenden Funkens kann auch ein mit Helium gefülltes Glasröhrchen verwendet werden, das bei jeder Entladung aufleuchtet und daher gleichfalls die Ablesung des Torsionswinkels an einem Gradbogen gestattet.Instead of a jumping spark, a glass tube filled with helium can also be used which lights up with each discharge and therefore also the reading of the torsion angle on an arc allowed.
Den bekannten Mitteln der Torsionsmessung gegenüber soll dieses Verfahren den wesentlichen Vorteil bieten, daß die Anzeige weniger Fehlerquellen besitzt, und daß ein erheblich größeres Stück der Welle, in der Regel deren ganze Länge, der Messung unterworfen werden kann, wodurch die Meßgenauigkeit entsprechend gesteigert wird.Compared to the known means of torsion measurement, this method is intended to be the most important Offer the advantage that the display has fewer sources of error, and that one considerable larger part of the shaft, usually its entire length, must be subjected to the measurement can, whereby the measurement accuracy is increased accordingly.
Ist der Torsions winkel sehr klein, so kann die Messungsanzeige dadurch vergrößert werden, daß man an die Welle eine Scheibe entsprechenden Durchmessers andrückt, auf der sich der anzeigende Stift befindet.If the torsion angle is very small, the measurement display can be enlarged by that you press a disk of the appropriate diameter on the shaft, on the the indicating pen is located.
Ferner kann die Vorrichtung in geeigneter Weise auch selbstaufzeichnend gemacht werden.Furthermore, the device can also be made self-recording in a suitable manner.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE244896C true DE244896C (en) |
Family
ID=503894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT244896D Active DE244896C (en) |
Country Status (1)
Country | Link |
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DE (1) | DE244896C (en) |
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0
- DE DENDAT244896D patent/DE244896C/de active Active
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